Revenge on the Fake Billionaire Heiress

A family has been searching for their missing wife and daughter for years. Unknowingly, the missing daughter and her amnesiac mother work as maids in that very household, constantly bullied by a fake heiress who steals money, frames them, and forces the daughter to donate her liver to the family patriarch. When the truth finally comes out, the villains are punished, and the family is reunited after years of suffering.